Use xinit instead of startx. Use case to select session in .xinitrc

template/shell/.aliasrc

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Vim a
+# Neovim
 command -v vim >/dev/null && alias vi="vi" vim="vim" vimdiff="vimdiff"
 command -v nvim >/dev/null && alias vi="nvim" vim="nvim" vimdiff="nvim -d"
 
@@ -13,7 +13,6 @@ alias \
 	dmesg="dmesg --ctime" \
   sudo='sudo ' # https://wiki.archlinux.org/index.php/Sudo#Passing_aliases
 
-
 # Color
 alias \
 	ls="ls -hN --group-directories-first --color=auto" \
@@ -21,3 +20,6 @@ alias \
 	grep="grep -i --color=auto" \
 	Grep="grep --color=auto" \
 	diff="diff --color=auto" \
+
+# Xorg
+alias startx="xinit"

template/x/.xinitrc

@@ -4,4 +4,11 @@ export EDITOR="nvim"
 export BROWSER="chromium"
 export TERMINAL={{TERMINAL}}
 
-exec i3
+# Here Xfce is kept as default
+session=${1:-i3}
+
+case $session in
+    i3|i3wm           ) exec i3;;
+    steam|steamos     ) steamos-session i3;;
+    *                 ) exec $1;;
+esac